let instance = axios.create({
headers: {
post: { // can be common or any other method
header1: 'value1'
}
}
})
//- or after instance has been created
instance.defaults.headers.post['header1'] = 'value'
//- or before a request is made
// using Interceptors
instance.interceptors.request.use(config => {
config.headers.post['header1'] = 'value';
return config;
});